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import re
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import os
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match={}
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repl={}
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repl[".profile"] = """
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for pa in /grid/fermiapp/products/common/etc /local/ups/etc /fnal/ups/etc
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do
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if [ -r "$pa/setups.sh" ]
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then
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. "$pa/setups.sh"
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if ups exist login
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then
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setup login
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fi
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fi
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done
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"""
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repl[".login"] = """
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foreach pa (/grid/fermiapp/products/common/etc /local/ups/etc /fnal/ups/etc)
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if ( -f "$pa/setups.csh" ) then
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source "$pa/setups.csh"
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if ( { ups exist login } ) then
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setup login
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endif
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break
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endif
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end
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"""
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repl[".cshrc"] = """
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foreach pa (/grid/fermiapp/products/common/etc /local/ups/etc /fnal/ups/etc)
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if ( -f "$pa/setups.csh" ) then
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source "$pa/setups.csh"
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break
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endif
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end
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if ( { ups exist shrc } ) then
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setup shrc
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endif
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"""
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repl[".shrc"] = """
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for pa in /grid/fermiapp/products/common/etc /local/ups/etc /fnal/ups/etc
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do
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if [ -r "$pa/setups.sh" ]
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then
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. "$pa/setups.sh"
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break
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fi
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done
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if ups exist shrc
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then
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setup shrc
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fi
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"""
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match[".profile"] = """if\s+\[\s+-f\s+"/afs/fnal.gov/ups/etc/setups.sh"\s+\].\s*then.\s*\.\s*"/afs/fnal.gov/ups/etc/setups.sh".\s*if\s+ups\s+exist\s+login.\s*then.\s*setup\s+login.\s*fi.\s*fi"""
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match[".login"] = """if\s+\(\s+-f\s+"/afs/fnal.gov/ups/etc/setups.csh"\s+\)\s+then.*\s*source\s+"/afs/fnal.gov/ups/etc/setups.csh".*\s*if\s+\(\s+\{\s+ups\s+exist\s+login\s+\}\s+\)\s+then.\s*setup\s+login.\s*endif.*endif"""
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match[".cshrc"] = """if\s+\(\s+-f\s+"/afs/fnal.gov/ups/etc/setups.csh"\s+\)\s+then.\s*source\s+"/afs/fnal.gov/ups/etc/setups.csh".\s*endif.*if\s+\(\s+{\s+ups\s+exist\s+shrc\s+}\s+\)\s+then.\s*setup\s+shrc.endif"""
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match[".shrc"] = """if\s+\[\s+-f\s+"/afs/fnal.gov/ups/etc/setups.sh"\s+\].\s*then.\s*\.\s+"/afs/fnal.gov/ups/etc/setups.sh".fi..if\s+ups\s+exist\s+shrc.then.\s*setup\s+shrc.fi"""
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def do_replacements():
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for f in [".profile", ".login", ".shrc", ".cshrc"]:
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print "doing: ", f
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fd = open(f,"r")
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contents = fd.read()
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fd.close()
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m = re.search(match[f], contents, re.M+re.S )
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if m:
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print "saw match in ", f, "matched at:", m.start(0), "..", m.end(0)
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newcontents = contents[:m.start(0)] + repl[f] + contents[m.end(0):]
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print "substitution changed something..."
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os.rename(f, f+'.afs_setups')
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fd = open(f,"w")
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fd.write(newcontents)
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fd.close()
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if __name__ == '__main__':
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100
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do_replacements()
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